How to Find Caldwell 7

How to Find Caldwell 7

Caldwell 7 NGC 2403HST.jpg


Caldwell 7, or NGC 2403 is a spiral galaxy located 10 million light years away. It was discovered by Herschel in 1788. This galaxy is visible with binoculars and is one of the easier galaxies to see. It officially resides in the constellation Camelopardalis. It has had two supernovae observed within it. The last one was in 2004.


Image credit: NASA, ESA, A.V. Filippenko


Telescopic Image to Scale:

C7.jpg


This image is the size of a full moon for size comparison.


Other Names:

Caldwell 7

NGC 2403

UGC 3918

PGC 21396


Brightness:

Magnitude = 9.5

Surface brightness = 14.5

Telescope Aperture City Suburbs Rural Dark Sky
4 inches 9 10 11 12.5
5 inches 9.5 10.5 11.5 13
6 inches 10 11 12 13.5
8 inches 10.5 11.5 12.5 14
10 inches 11 12 13 14.5


Use this chart to estimate if you can see the object from your location with your telescope. For more help on using this chart click here.


How to Find It:

This galaxy resides in the constellation of Ursa Major and is in the crosshairs on the map below. It's co-ordinates are: RA 7h 38m 08.88 DEC +65° 34′ 06.4″ if you are using guiding software.

How to Find Caldwell 7


To find more space objects have a look at the constellation guide by clicking the link or go back to the list of deep space objects.


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